Belle Mill RD over Samson Slough
PoorPosted for loadTehama County, California · White Road · Structure no. 08C0058
- Built
- 1915
- 110 years old
- Condition
- Poor
- inspected April 2024
- Type
- Girder and Floorbeam System
- Concrete Continuous
- Length
- 400 ft
- 8 main spans
- Daily traffic
- 1,837
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
Belle Mill RD over Samson Slough is a concrete continuous girder and floorbeam system carrying Belle Mill RD over Samson Slough in Tehama County, California. It was built in 1915, so it is 110 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 1,837 vehicles a day, roughly 1% of them trucks, projected to reach 2,550 by 2042. The structure is 400 ft (121.9 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Belle Mill RD over Samson Slough built?
It was built in 1915, making it 110 years old in 2025.
What condition is Belle Mill RD over Samson Slough in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.
How much traffic does Belle Mill RD over Samson Slough carry?
About 1,837 vehicles per day (2010 count), of which roughly 1% are trucks.
How long is Belle Mill RD over Samson Slough?
The structure is 400 ft (121.9 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.
Who owns Belle Mill RD over Samson Slough?
It is owned by the County Highway Agency.